Symptoms
Check permissions option do nothing. Permissions are not fixed.
The following error could appear:
Checking electricsomersaults.ch...
Warning: Can't query SELECT sp.name, sa.install_prefix, sa.htdocs_directory
FROM `siteapppackages` sp, `siteapps` sa, `domains` d WHERE
sa.dom_type='domain' AND sp.id=sa.app_id AND sa.dom_id=d.id AND
d.name='electricsomersaults.ch': MySQLDatabaseProvider error 1054:Unknown
column 'sa.app_id' in 'where clause'
Plesk Reconfigurator has found permissions problems on electricsomersaults.ch,
but was unable to fix the permissions due to the errors shown above.
Total checked: 1.
Without security problems: 0.
With security problems: 1.
Resolution
Download the following files
http://download1.swsoft.com/Plesk/Autoupdate/Windows/8.3.0/129956/psaobsolete.dll
place it to the %plesk_bin% folder
http://download1.swsoft.com/Plesk/Autoupdate/Windows/8.3.0/129956/reconfigure_helper.php
place it to the "%plesk_dir%\admin\plib\cu" folder
Note: Please see how to install Plesk hotfixes properly.
AdditionalInformation
%plesk_dir% is environment variable which points to Plesk installation folder. By default it is C:\Program Files\SWsoft\Plesk
%plesk_bin% is environment variable which points to Plesk binaries folder. By default it is C:\Program Files\SWsoft\Plesk\admin\bin